On 4/24/07, Avantika Mathur <mathur@xxxxxxxxxxxxxxxxxx> wrote:
Ext4 Developer Interlock Call: 04/23/2007 Meeting Minutes
TESTING
- extents testing
- Discussed methods for testing extents on highly fragmented
filesystems.
- Jose will look into possible tests, including perhaps using the
'aged' option in FFSB
- Ted suggested creating a mountoption that creates a bad block
allocator which it jumps to a new block group every 8 blocks. This
would force a very large number of extents, and may be a good test for
extents.
What i am doing for creating a large number of extents is
dd if=/dev/zero of=myfile count=10
seek=20
while [ 1 ]; do dd if=/dev/zero of=myfile count=10 seek=$seek;
seek=`expr $seek + 20`; done
-aneesh
-
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